Botany, inside roots and leaves

a layer of cells in roots between the cortex and vascular tissues

a root tissue giving rise to branch roots

the parenchyma tissue of a leaf between the upper and lower epidermis, including palisade and spongy cells

a photosynthetic cell directly beneath the upper leaf epidermis

one of a group of loosely packed photosynthetic cells in a leaf

a strand of xylem and phloem in a leaf blade

a pore in the epidermis of leaves and herbaceous stems

one of a pair of cells surrounding a stoma

a thin-walled, undifferentiated cell

genetically identical organisms produced vegetatively from a single parent

the offspring of two plants of the same or closely related species differing in one or more genes

the perforated end-wall of a sieve tube member

a food conducting cell

a phloem cell containing a nucleus, adjacent to a sieve tube

a small opening in a cell wall

a water-conducting cell in gymnosperms and other lower vascular plants

a hard, thick-walled plant cell